package demo1110.demo01;

/**
 * @author JYH
 * @version 1.0
 * @date 2022/11/10 13:46
 */
public abstract class Picture {

    public abstract void area(int length,int width);
    public abstract void perimeter(int length,int width);

    public final void show(int length,int width){
        area(length,width);
        perimeter(length, width);
    }


}
